<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>

    <script>
        var name = "laowang", age = 20;
        var url = `http://www.example.com/search?name=${name}&age=${age}`;
        console.log(url)
    </script>
    
</body>
</html>